src/sage/plot/complex_plot.pyx: Use block tags

Author: Matthias Koeppe

src/sage/plot/complex_plot.pyx

@@ -669,12 +669,13 @@ def add_lightness_smoothing_to_rgb(rgb, delta):
 
     We can call this on grids of values::
 
-        sage: import numpy as np                                                        # needs numpy
-        sage: from sage.plot.complex_plot import add_lightness_smoothing_to_rgb         # needs numpy
-        sage: add_lightness_smoothing_to_rgb(  # abs tol 1e-4                           # needs numpy
+        sage: # needs numpy
+        sage: import numpy as np
+        sage: from sage.plot.complex_plot import add_lightness_smoothing_to_rgb
+        sage: add_lightness_smoothing_to_rgb(  # abs tol 1e-4
         ....:     np.array([[[0, 0.25, 0.5]]]), np.array([[0.75]]))
         array([[[0.75  , 0.8125, 0.875 ]]])
-        sage: add_lightness_smoothing_to_rgb(  # abs tol 1e-4                           # needs numpy
+        sage: add_lightness_smoothing_to_rgb(  # abs tol 1e-4
         ....:     np.array([[[0, 0.25, 0.5]]]), np.array([[0.75]]))
         array([[[0.75  , 0.8125, 0.875 ]]])
     """
@@ -734,15 +735,15 @@ def add_contours_to_rgb(rgb, delta, dark_rate=0.5):
     EXAMPLES::
 
         sage: # needs numpy
-        sage: import numpy as np                                                        # needs numpy
-        sage: from sage.plot.complex_plot import add_contours_to_rgb                    # needs numpy
-        sage: add_contours_to_rgb(np.array([[[0, 0.25, 0.5]]]),  # abs tol 1e-4         # needs numpy
+        sage: import numpy as np
+        sage: from sage.plot.complex_plot import add_contours_to_rgb
+        sage: add_contours_to_rgb(np.array([[[0, 0.25, 0.5]]]),  # abs tol 1e-4
         ....:                     np.array([[0.75]]))
         array([[[0.25 , 0.625, 1.   ]]])
-        sage: add_contours_to_rgb(np.array([[[0, 0, 0]]]),  # abs tol 1e-4              # needs numpy
+        sage: add_contours_to_rgb(np.array([[[0, 0, 0]]]),  # abs tol 1e-4
         ....:                     np.array([[1]]))
         array([[[0.5, 0.5, 0.5]]])
-        sage: add_contours_to_rgb(np.array([[[1, 1, 1]]]),  # abs tol 1e-4              # needs numpy
+        sage: add_contours_to_rgb(np.array([[[1, 1, 1]]]),  # abs tol 1e-4
         ....:                     np.array([[-0.5]]))
         array([[[0.75, 0.75, 0.75]]])